Dr. Katherine Hood Johnson OD

Recommended Articles

• Differences Between Optometrists, Opticians, and Ophthalmologists

  Safeguarding Your VisionWe are all dependent on our vision in more ways than we realize. Without a healthy vision, we would be unable to smoothly do a lot of things. Our vision enables us to properly work and recognize faces and objects.There are numerous factors that can affect our eyes, including...

• What Causes Albinism?

  What is albinism?Albinism is a group of genetic disorders that cause little or no production of the natural pigment called melanin. The color of your skin, hair, and eyes depend on the type and amount of melanin produced by your body. Most individuals with albinism have sun sensitivity, which makes...

• What is Age-Related Macular Degeneration?

  Age-related macular degeneration is a common eye condition that affects macula, a small part at the back of the eye. Macula is the area of eye that helps us to differentiate the finer details. Damage to macula leads to gradual blurring of central vision. Macular degeneration impairs sharp vision and...

• What Is Double Vision?

  What is Double Vision?Seeing two images of the same object displaced horizontally or vertically is known as double vision or diplopia. While most of the cases of double vision are not serious, some need to be treated quickly. There are three categories of diplopia:...

• Treatments for Cataracts

  A cataract is blurring of the lens of the eye. The lens is oval-shaped and mostly consists of water and protein. It is located at the back of the iris and pupil. The lens protein molecules are organized in a way that makes it clear so that light can pass through it to the retina. The focus of the...

• Eyelid Twitching and Stress

  What is eyelid twitching?Eyelid twitching or myokymia is an involuntary eyelid spasm. The upper lid is usually affected, but spasms can also occur in the lower lid or both lids. Eyelid twitching is often mild for most people. However, others may experience stronger spasms, which may force their lids...